603155 divided by 86 
We're looking to find how many times 86 goes into 603155.

Going ahead to step 1:
86 goes into 6 0 times with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Include the next digit (0) from the dividend after 6, then repeat: 60 / 86

Advancing to step 2:
The number 86 fits into 60 0 times, leaving a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 60 after subtracting 0 from 60.
Grab the next digit (3) from the dividend, add it to 60, then carry on: 603 / 86

Step 3:
When dividing 603 by 86, we get 7 with a remainder of 1.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtract 602 from 603 to get 1.
Grab the next digit (1) from the dividend, add it to 1, then carry on: 11 / 86

Moving on to step 4:
86 goes into 11 0 times with a remainder of 11.
Record the quotient 0 as the next digit in the result. 
Result so far: 70.0
Subtracting 0 from 11 leaves us with 11.
Append the next digit (5) from the dividend to 11 and continue with: 115 / 86

Moving on to step 5:
The number 86 fits into 115 1 times, leaving a remainder of 29.
Record the quotient 1 as the next digit in the result. 
Result so far: 701.0
Deduct 86 from 115 and we're left with 29.
Fetch the next digit (5) from the dividend, attach it to 29 and continue: 295 / 86

Advancing to step 6:
When dividing 295 by 86, we get 3 with a remainder of 37.
The number 3 becomes the next digit in our result. 
Result so far: 7013.0
Subtracting 258 from 295 leaves us with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Step 7:
If we divide 370 by 86, we get 4 and a remainder of 26.
Put 4 as the next digit of the answer. 
Result so far: 7013.4
Subtracting 344 from 370 leaves us with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 8:
When dividing 260 by 86, we get 3 with a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 7013.43
If we take 258 away from 260, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 9:
The number 86 fits into 20 0 times, leaving a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 7013.43
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 10:
86 can be fit into 200 2 times, resulting in a remainder of 28.
Use 2 as the next digit of our solution. 
Result so far: 7013.4302
If we take 172 away from 200, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 11:
280 divided by 86 is 3 with a remainder of 22.
Use 3 as the next digit of our solution. 
Result so far: 7013.43023
Subtracting 258 from 280 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 12:
86 can be fit into 220 2 times, resulting in a remainder of 48.
Record the quotient 2 as the next digit in the result. 
Result so far: 7013.430232
If we subtract 172 from 220, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 13:
When dividing 480 by 86, we get 5 with a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 7013.4302325
The remainder is 50 after subtracting 430 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 14:
The number 86 fits into 500 5 times, leaving a remainder of 70.
Use 5 as the next digit of our solution. 
Result so far: 7013.43023255
Subtract 430 from 500 to get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

After the division, we end up with 7013.43023255 and a remainder of 7e-08.